Zobrazeno 1 - 10
of 59
pro vyhledávání: '"Joon-yeob Lee"'
Autor:
Joon Yeob Lee, Jeong-Hak Choi
Publikováno v:
Materials Research Express, Vol 9, Iss 9, p 095505 (2022)
A nanomaterial, a copper-based metal organic framework (Cu-BTC MOF), was prepared by a one-step solvothermal synthesis method and applied for the removal of Pb(II) ions from an aqueous solution via adsorption. The Cu-BTC MOF nanomaterial was characte
Externí odkaz:
https://doaj.org/article/7cbf816a4ad647758169ed1514abbe89
Autor:
Joon Yeob Lee, Jeong-Hak Choi
Publikováno v:
Catalysts, Vol 10, Iss 12, p 1434 (2020)
In the current research, a Cu2O-Au-TiO2 heterostructure was fabricated via a step-wise photodeposition route to determine its possible application in the photocatalytic oxidation of hazardous vapors. The results of electron microscopy and X-ray photo
Externí odkaz:
https://doaj.org/article/41f81068f7b84f228c56f4db306f5388
Publikováno v:
Materials, Vol 7, Iss 3, Pp 1801-1813 (2014)
This study aimed to prepare titania (TiO2) nanotube (TNT) arrays grown on un-activated carbon fibers (UCFs), with the application of different TiO2 loadings based on the coating-hydrothermal process, and to evaluate their photocatalytic activity for
Externí odkaz:
https://doaj.org/article/89b9af49e297424cb5700797fc1c29b9
Autor:
Joon Yeob Lee, Jeong-Hak Choi
Publikováno v:
Materials, Vol 12, Iss 8, p 1265 (2019)
Ce-doped TiO2 nanostructures (CeT) with different amounts of Ce (0.5, 0.75, 1.0, 1.5, and 2.0 wt. %) were synthesized using a sonochemical processing method. The physicochemical properties of the prepared samples were explored using UV-visible diffus
Externí odkaz:
https://doaj.org/article/671495c7d02748d7b2d27a2d09d977a2
Autor:
Jeong-Hak Choi, Joon Yeob Lee
Publikováno v:
Journal of Environmental Science International. 30:97-108
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b851bace128d5952a4707298ffe72145
https://doi.org/10.5322/jesi.2021.30.1.97
https://doi.org/10.5322/jesi.2021.30.1.97
Publikováno v:
Linear Algebra and its Applications. 557:84-104
We study the eigenvalues of the unique connected anti-regular graph $A_n$. Using Chebyshev polynomials of the second kind, we obtain a trigonometric equation whose roots are the eigenvalues and perform elementary analysis to obtain an almost complete
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f03a6ee6e6f88ab1281c9d97afb07b84
https://doi.org/10.1016/j.laa.2018.07.028
https://doi.org/10.1016/j.laa.2018.07.028
Autor:
Joon Yeob Lee1 myasteria@naver.com, Wan-Kuen Jo1 wkjo@knu.ac.kr
Publikováno v:
Catalysts (2073-4344). Apr2017, Vol. 7 Issue 4, p97. 11p.
Publikováno v:
Materials Research Bulletin. 94:313-321
This study explores the photocatalytic performance of novel N and Fe dual-doped, one-dimensional TiO2 nanotube structures (N–Fe–TNTs) for the degradation of α-pinene and toluene under visible-light illumination. N–Fe–TNTs were synthesized us
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::76071e2e2bdc5bd9620b51b3e4b1b701
https://doi.org/10.1016/j.materresbull.2017.06.004
https://doi.org/10.1016/j.materresbull.2017.06.004
Autor:
Wan-Kuen Jo, Joon Yeob Lee
Publikováno v:
Ultrasonics Sonochemistry. 35:440-448
In this study, an ultrasound-aided hydrothermal-impregnation method was used to synthesize three-dimensional (3D) urchin-like CdS-TiO2 nanostructures (UCTs) with variable CdS content. The photocatalytic efficiencies (for degrading limonene and toluen
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::680ea1ae5b3dbf5c9054a6fa760d5633
https://doi.org/10.1016/j.ultsonch.2016.10.023
https://doi.org/10.1016/j.ultsonch.2016.10.023
Publikováno v:
Catalysis Today. 282:13-23
Multiwall carbon nanotubes (MWCNT)-loaded TiO2 nanotube (TNT) composites were synthesized by hydrothermal method. Scanning electron microscopy and transmission electron microscopy revealed the tubular morphology of the prepared TNT and MWCNT/TNT comp
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::05c8c6a5ce06b239cf99d29d8a2057be
https://doi.org/10.1016/j.cattod.2016.03.018
https://doi.org/10.1016/j.cattod.2016.03.018